<!DOCTYPE html>
<html>

<head>
	<meta charset="UTF-8" />
	<title>数据绑定</title>
	<!-- 引入Vue -->
	<script type="text/javascript" src="../js/vue.js"></script>
</head>

<body>

	<div id="root">
		<h1>学校信息</h1>
		<h2>学校名称:{{school.name}}</h2>
		<h2>学校地址:{{school.address}}</h2>
		<h2>学校校长:{{school.leader}}</h2>
		<hr>
		<h1>学生信息</h1>
		<button @click="addSex">添加一个性别属性 默认值是男</button>
		<h2>学生姓名:{{student.name}}</h2>
		<h2 v-if="student.sex">学生性别:{{student.sex}}</h2>
		<h2>学生年龄 真实:{{student.age.rAge}},对外:{{student.age.sAge}}</h2>
		<h2>朋友们</h2>
		<ul>
			<li v-for="(f,index) in student.friends" :key="index">
				{{f.name}} -- {{f.age}}
			</li>
		</ul>
	</div>
</body>

<script type="text/javascript">
	Vue.config.productionTip = false //阻止 vue 在启动时生成生产提示。

	const vm = new Vue({
		el: '#root',
		data: {
			school: {
				name: '尚硅谷',
				address: '北京',
			},

			// leader:'',
			student: {
				name: 'tom',
				// sex:'男',
				age: {
					rAge: 19,
					sAge: 18,
				},
				friends: [
					{
						name: 'jerry',
						age: 35
					},
					{
						name: 'tony',
						age: 36
					}
				]
			}
		},
		methods: {
			addSex() {
				// Vue.set(this.student,'sex','男')
				this.$set(this.student, 'sex', '男')
			}
		},
	})
</script>

</html>